Calvin Palmer Ladd

_____________________________________ Patents of Canada ..., Volume 2 By Canada. Patent Office - 1865 _____________________________________ page 331: A. D. 1851. (Canada.) - No. 331. Improved Weighing Machine.

LETTERS PATENT to Calvin Palmer LADD, of the City of Montreal, Machinist and trader, for the Invention of "An Improved Weighing Machine."

Toronto, dated 30th June, 1851.

BRIEF DESCRIPTION.

A combination with the lever and knife edge bearings of the loops, the two vertical or nearly vertical projections or knife edges, as arranged with respect to the loops and lever, together with a strengthening rod substantially placed on the underside of the levers.

                                       CALVIN PALMER LADD.

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The Canada Directory, 1857. Page 1054, Patents of Invention.

Calvin P. Ladd, Metallic Burial Case. July 8, 1853.

Patents of Canada, from 1849 to 1855, Volume 2: Canada, Patent Office. Printed by Lovell & Gibson, 1865

Metallic Burial Case BRIEF DESCRIPTION It consists in the manufacturing of coffins of cast or raised metal having a double shield of cast or wrought metal in shape corresponding nearly with the human form in combination with the two nearly equal parts and united horizontally See Drawing No 421 CALVIN PALMER LADD LETTERS PATENT to Calvin Palmer Ladd of the City of Montreal Engineer for the Invention of A Metallic Burial Case Quebec dated 8th July 1853 AD 1853 Canada No 421